Setprecision
设置精度
🗣️ 情景例句
I'll go upstairs and stay with him until he falls asleep again.
我上楼去陪他， 直到他又睡着。
The mill cannot grind with the water that is past.
覆水难收。
Good morning, Mrs Brown. Well, what's your trouble, young man?
布朗太太早上好。嗯，小伙子有什么病？